Breguet. A stainless steel automatic calendar wristwatch Model: Marine Big Date Reference: 5817ST/12/5V8 Date: Purchased October 2006 Movement: 35-jewel Cal.517GG automatic, adjusted to 5 positions, gold engraved rotor, No.04852 Dial: Guilloche engraved silvered, blued Roman numerals to brushed silvered surround, outer minute divisions, double date aperture at 6, blued steel hands with luminous dots, centre seconds Case: Polished round, exhibition back secured by 6 screws, reeded band, No.3708W Strap/Bracelet: Black Breguet rubber Buckle/Clasp: Signed folding clasp Signed: Case, dial & movement Size: 39mm Accompaniments: Breguet box, outer card, Certificate of Origin and Warranty, original purchase receipt, Breguet service paperwork and receipt dated February 2020, instructions for use